Picnic insulation bag, the use of Oxford cloth +PVC material, mainly used to pack lunch, food, small items, the upper and lower built-in aluminum film, waterproof and oil-proof, easy to clean, can be insulated, large opening design, can hold more items, there are a variety of colors to choose from. 1 location includes the shipping cost to US. Orders of 1,500 pieces or greater are eligible for sea shipping. 100% guarantee for quality. Rush Service.